Peak also reports that performance testing of the company’s Na-ion BESS demonstrated record-breaking cost savings and reliability. While Peak Energy did not disclose the exact capacity of the BESS, similar types of projects have typically been 1MWh-3MWh. Earlier this month, Hithium launched its AI data centre ESS portfolio, which includes a 2.28MWh Na-ion BESS. Phenogy launches Europe’s first large-scale sodium-ion BESSElsewhere, Switzerland-based Phenogy has commissioned its Phenogy 1.0 Na-ion BESS near the Bremen Airport in northern Germany. To date, this is the largest Na-ion BESS installation in Europe.